The Inventory of Drinking Situations (IDS) was developed by Helen Annis and colleagues at the Addiction Research Foundation in Toronto, Canada. The IDS draws its theoretical basis from Alan Marlatt's eight categories of high-risk drinking situations and is intended to provide an individualized profile of a problem drinker's particular high-risk situations that can then be used to structure and guide treatment.

The IDS is available in two forms. The original IDS consisted of 100 items representing particular situations in which people consume alcohol (e.g., "when I'm alone at home" or "when I've had a hard day at work"). Subsequent refinement of the instrument, including its revision to include drugs other than alcohol, has resulted in a final instrument that captures frequency of drinking in up to ...